Article ; Online: Temporal and spatial analysis of COVID-19 transmission in China and its influencing factors.
2021 Volume 105, Page(s) 675–685
Abstract: ... of COVID-19 transmission and its influencing factors in China, from January to October 2020.: Methods ... the relationship between influencing factors and confirmed COVID-19 cases.: Results: The distribution of COVID ... 19 in China tends to be stable over time, with spatial correlation and prominent clustering regions ...
Abstract | Objectives: The purpose of this study was to explore the temporal and spatial characteristics of COVID-19 transmission and its influencing factors in China, from January to October 2020. Methods: About 81,000 COVID-19 confirmed case data, Baidu migration index data, air pollutants, meteorological data, and government response strictness index data were collected from 31 provincial-level regions (excluding Hong Kong, Macao, and Taiwan) and 337 prefecture-level cities. The spatio-temporal characteristics of COVID-19 were explored using spatial autocorrelation, hot spot, and spatio-temporal scanning statistics. At the same time, Spearman rank correlation analysis and multiple linear regression were used to explore the relationship between influencing factors and confirmed COVID-19 cases. Results: The distribution of COVID-19 in China tends to be stable over time, with spatial correlation and prominent clustering regions. Spatio-temporal scanning analysis showed that most COVID-19 high-incidence months were from January to March at the beginning of the epidemic, and the area with the highest aggregation risk was Hubei Province (RR=491.57) which was 491.57 times the aggregation risk of other regions. Among the meteorological variables, the daily average temperature, wind speed, precipitation, and new COVID-19 cases were negatively correlated. The air pollution concentration and migration index were positively correlated with new confirmed cases, and the government response strict index was strongly negatively correlated with confirmed COVID-19 cases. Conclusions: Environmental temperature has a certain inhibitory effect on the transmission of COVID-19; the air pollution concentration and migration index have a certain promoting effect on the transmission of COVID-19. The strict government response index indicates that the greater the intensity of government intervention, the fewer COVID-19 cases will occur. |
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MeSH term(s) | Air Pollution ; COVID-19/transmission ; China/epidemiology ; Humans ; Risk Factors ; SARS-CoV-2 ; Spatio-Temporal Analysis ; Temperature |
Language | English |
Publishing date | 2021-03-09 |
Publishing country | Canada |
Document type | Journal Article |
ZDB-ID | 1331197-9 |
ISSN | 1878-3511 ; 1201-9712 |
ISSN (online) | 1878-3511 |
ISSN | 1201-9712 |
DOI | 10.1016/j.ijid.2021.03.014 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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